C111123313121111121111331333133313331333133313331333133313331323221311323321   >>    C11112331312111112111133133313331333133313331333133313331333132322131132332   <<    C111123313121111121111331333133313331333133313331333133313331323221311323323   >>      C111123313121111121111331333133313331333133313331333133313331323221311323322   >>